8642560

素因数分解:

$2^{13}\times 5^1\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 56

約数和(自身を含む): 20839176

約数和(自身を除く): 12196616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 256, 320, 422, 512, 640, 844, 1024, 1055, 1280, 1688, 2048, 2110, 2560, 3376, 4096, 4220, 5120, 6752, 8192, 8440, 10240, 13504, 16880, 20480, 27008, 33760, 40960, 54016, 67520, 108032, 135040, 216064, 270080, 432128, 540160, 864256, 1080320, 1728512, 2160640, 4321280, 8642560]

約数ペア:

[(1, 8642560), (2, 4321280), (4, 2160640), (5, 1728512), (8, 1080320), (10, 864256), (16, 540160), (20, 432128), (32, 270080), (40, 216064), (64, 135040), (80, 108032), (128, 67520), (160, 54016), (211, 40960), (256, 33760), (320, 27008), (422, 20480), (512, 16880), (640, 13504), (844, 10240), (1024, 8440), (1055, 8192), (1280, 6752), (1688, 5120), (2048, 4220), (2110, 4096), (2560, 3376)]